#B24243
Closest named color: Dull Red (#BB3F3F). oklch(53.4% 0.146 23), rgb(178, 66, 67).
Aa
White text reads best on this color (5.59:1).
About this color
#B24243 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.146 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.017 away. White text reads best on it, at 5.59:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.146) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.75:1 |
| White text | 5.59:1 |
Values
| HEX | #B24243 |
| RGB | rgb(178, 66, 67) |
| HSL | hsl(359, 46%, 48%) |
| OKLCH | oklch(53.4% 0.146 23) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #B24243 | 5.59:1 | AA | Lc -82.5 | Fine for body text |
| Black text on #B24243 | 3.75:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #B24243 text on white | 5.59:1 | AA | Lc 77.2 | Fine for body text |
| #B24243 text on black | 3.75:1 | AA large text | Lc -24.6 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F7E5E4
oklch(93.6% 0.02 21.4)
-
Step 200
200
#F1D0CE
oklch(88.5% 0.037 22)
-
Step 300
300
#E8B1AD
oklch(81% 0.065 23.4)
-
Step 400
400
#DB8682
oklch(70.8% 0.105 23)
-
Step 500
500
#CE6562
oklch(63.1% 0.134 23.3)
-
Step 600
600 (this color)
#B24243
oklch(53.4% 0.146 23)
-
Step 700
700
#9F393A
oklch(49% 0.136 23)
-
Step 800
800
#823031
oklch(42.7% 0.114 22.5)
-
Step 900
900
#682C2B
oklch(37.7% 0.087 23.1)
-
Step 950
950
#3D1A19
oklch(26.9% 0.055 23.1)
#B24243 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #5F5942 | 0.157 |
| Deuteranopia (no green cones) | #7B7140 | 0.145 |
| Tritanopia (no blue cones) | #C32B43 | 0.043 |
| Achromatopsia (no color) | #686868 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B24243
#B24243
oklch(53.4% 0.146 23)
- #007C84
#007C84
oklch(53.4% 0.091 202.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B24243, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.017
- Dusty Red #B9484E ΔE 0.022
- Dark Rose #B5485D ΔE 0.035
- Light Maroon #A24857 ΔE 0.039
- Light Burgundy #A8415B ΔE 0.041
- Sinopia #BB3E03 ΔE 0.051
- Firebrick #B22222 ΔE 0.051
- Rusty Red #AF2F0D ΔE 0.051
Use #B24243 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.